MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='eea6da15f80584f46fd19ee5accb7cae',`time`=1711703728,`ip`=X'12d0c5f3',`location`='/newreply.php?tid=555&replyto=4540',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0